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  1. /**********************************************************************************
  2.  * Copyright (c) 2008 - 2012 The Khronos Group Inc.
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person obtaining a
  5.  * copy of this software and/or associated documentation files (the
  6.  * "Materials"), to deal in the Materials without restriction, including
  7.  * without limitation the rights to use, copy, modify, merge, publish,
  8.  * distribute, sublicense, and/or sell copies of the Materials, and to
  9.  * permit persons to whom the Materials are furnished to do so, subject to
  10.  * the following conditions:
  11.  *
  12.  * The above copyright notice and this permission notice shall be included
  13.  * in all copies or substantial portions of the Materials.
  14.  *
  15.  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16.  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  18.  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  19.  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  20.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  21.  * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
  22.  **********************************************************************************/
  23.  
  24. #ifndef __OPENCL_CL_GL_H
  25. #define __OPENCL_CL_GL_H
  26.  
  27. #ifdef __APPLE__
  28. #include <OpenCL/cl.h>
  29. #else
  30. #include <CL/cl.h>
  31. #endif 
  32.  
  33. #ifdef __cplusplus
  34. extern "C" {
  35. #endif
  36.  
  37. typedef cl_uint     cl_gl_object_type;
  38. typedef cl_uint     cl_gl_texture_info;
  39. typedef cl_uint     cl_gl_platform_info;
  40. typedef struct __GLsync *cl_GLsync;
  41.  
  42. /* cl_gl_object_type = 0x2000 - 0x200F enum values are currently taken           */
  43. #define CL_GL_OBJECT_BUFFER                     0x2000
  44. #define CL_GL_OBJECT_TEXTURE2D                  0x2001
  45. #define CL_GL_OBJECT_TEXTURE3D                  0x2002
  46. #define CL_GL_OBJECT_RENDERBUFFER               0x2003
  47. #define CL_GL_OBJECT_TEXTURE2D_ARRAY            0x200E
  48. #define CL_GL_OBJECT_TEXTURE1D                  0x200F
  49. #define CL_GL_OBJECT_TEXTURE1D_ARRAY            0x2010
  50. #define CL_GL_OBJECT_TEXTURE_BUFFER             0x2011
  51.  
  52. /* cl_gl_texture_info           */
  53. #define CL_GL_TEXTURE_TARGET                    0x2004
  54. #define CL_GL_MIPMAP_LEVEL                      0x2005
  55. #define CL_GL_NUM_SAMPLES                       0x2012
  56.  
  57.  
  58. extern CL_API_ENTRY cl_mem CL_API_CALL
  59. clCreateFromGLBuffer(cl_context     /* context */,
  60.                      cl_mem_flags   /* flags */,
  61.                      cl_GLuint      /* bufobj */,
  62.                      int *          /* errcode_ret */) CL_API_SUFFIX__VERSION_1_0;
  63.  
  64. extern CL_API_ENTRY cl_mem CL_API_CALL
  65. clCreateFromGLTexture(cl_context      /* context */,
  66.                       cl_mem_flags    /* flags */,
  67.                       cl_GLenum       /* target */,
  68.                       cl_GLint        /* miplevel */,
  69.                       cl_GLuint       /* texture */,
  70.                       cl_int *        /* errcode_ret */) CL_API_SUFFIX__VERSION_1_2;
  71.    
  72. extern CL_API_ENTRY cl_mem CL_API_CALL
  73. clCreateFromGLRenderbuffer(cl_context   /* context */,
  74.                            cl_mem_flags /* flags */,
  75.                            cl_GLuint    /* renderbuffer */,
  76.                            cl_int *     /* errcode_ret */) CL_API_SUFFIX__VERSION_1_0;
  77.  
  78. extern CL_API_ENTRY cl_int CL_API_CALL
  79. clGetGLObjectInfo(cl_mem                /* memobj */,
  80.                   cl_gl_object_type *   /* gl_object_type */,
  81.                   cl_GLuint *           /* gl_object_name */) CL_API_SUFFIX__VERSION_1_0;
  82.                  
  83. extern CL_API_ENTRY cl_int CL_API_CALL
  84. clGetGLTextureInfo(cl_mem               /* memobj */,
  85.                    cl_gl_texture_info   /* param_name */,
  86.                    size_t               /* param_value_size */,
  87.                    void *               /* param_value */,
  88.                    size_t *             /* param_value_size_ret */) CL_API_SUFFIX__VERSION_1_0;
  89.  
  90. extern CL_API_ENTRY cl_int CL_API_CALL
  91. clEnqueueAcquireGLObjects(cl_command_queue      /* command_queue */,
  92.                           cl_uint               /* num_objects */,
  93.                           const cl_mem *        /* mem_objects */,
  94.                           cl_uint               /* num_events_in_wait_list */,
  95.                           const cl_event *      /* event_wait_list */,
  96.                           cl_event *            /* event */) CL_API_SUFFIX__VERSION_1_0;
  97.  
  98. extern CL_API_ENTRY cl_int CL_API_CALL
  99. clEnqueueReleaseGLObjects(cl_command_queue      /* command_queue */,
  100.                           cl_uint               /* num_objects */,
  101.                           const cl_mem *        /* mem_objects */,
  102.                           cl_uint               /* num_events_in_wait_list */,
  103.                           const cl_event *      /* event_wait_list */,
  104.                           cl_event *            /* event */) CL_API_SUFFIX__VERSION_1_0;
  105.  
  106.  
  107. /* Deprecated OpenCL 1.1 APIs */
  108. extern CL_API_ENTRY CL_EXT_PREFIX__VERSION_1_1_DEPRECATED cl_mem CL_API_CALL
  109. clCreateFromGLTexture2D(cl_context      /* context */,
  110.                         cl_mem_flags    /* flags */,
  111.                         cl_GLenum       /* target */,
  112.                         cl_GLint        /* miplevel */,
  113.                         cl_GLuint       /* texture */,
  114.                         cl_int *        /* errcode_ret */) CL_EXT_SUFFIX__VERSION_1_1_DEPRECATED;
  115.    
  116. extern CL_API_ENTRY CL_EXT_PREFIX__VERSION_1_1_DEPRECATED cl_mem CL_API_CALL
  117. clCreateFromGLTexture3D(cl_context      /* context */,
  118.                         cl_mem_flags    /* flags */,
  119.                         cl_GLenum       /* target */,
  120.                         cl_GLint        /* miplevel */,
  121.                         cl_GLuint       /* texture */,
  122.                         cl_int *        /* errcode_ret */) CL_EXT_SUFFIX__VERSION_1_1_DEPRECATED;
  123.    
  124. /* cl_khr_gl_sharing extension  */
  125.    
  126. #define cl_khr_gl_sharing 1
  127.    
  128. typedef cl_uint     cl_gl_context_info;
  129.    
  130. /* Additional Error Codes  */
  131. #define CL_INVALID_GL_SHAREGROUP_REFERENCE_KHR  -1000
  132.    
  133. /* cl_gl_context_info  */
  134. #define CL_CURRENT_DEVICE_FOR_GL_CONTEXT_KHR    0x2006
  135. #define CL_DEVICES_FOR_GL_CONTEXT_KHR           0x2007
  136.    
  137. /* Additional cl_context_properties  */
  138. #define CL_GL_CONTEXT_KHR                       0x2008
  139. #define CL_EGL_DISPLAY_KHR                      0x2009
  140. #define CL_GLX_DISPLAY_KHR                      0x200A
  141. #define CL_WGL_HDC_KHR                          0x200B
  142. #define CL_CGL_SHAREGROUP_KHR                   0x200C
  143.    
  144. extern CL_API_ENTRY cl_int CL_API_CALL
  145. clGetGLContextInfoKHR(const cl_context_properties * /* properties */,
  146.                       cl_gl_context_info            /* param_name */,
  147.                       size_t                        /* param_value_size */,
  148.                       void *                        /* param_value */,
  149.                       size_t *                      /* param_value_size_ret */) CL_API_SUFFIX__VERSION_1_0;
  150.    
  151. typedef CL_API_ENTRY cl_int (CL_API_CALL *clGetGLContextInfoKHR_fn)(
  152.     const cl_context_properties * properties,
  153.     cl_gl_context_info            param_name,
  154.     size_t                        param_value_size,
  155.     void *                        param_value,
  156.     size_t *                      param_value_size_ret);
  157.  
  158. #ifdef __cplusplus
  159. }
  160. #endif
  161.  
  162. #endif  /* __OPENCL_CL_GL_H */
  163.